1. Plural of beryllium; multiple atoms or samples of the chemical element beryllium (atomic number 4), a hard, lightweight metal.
Usage: technical; chemistry

Examples

• The laboratory stored several berylliums samples in sealed containers for safety.
• Berylliums are used in aerospace applications because of their low density and high strength.
• Different isotopes of berylliums have varying nuclear properties.
• The alloy contained trace amounts of berylliums to improve its hardness.
• Scientists studied how berylliums react with oxygen at high temperatures.